[meteorite-list] CAI in Tagish Lake?

[greg stanley]

All:
   
  These photo's are really interesting and it got me thinking.
  What do the CAI’s look like up close?  Say perhaps a C-Chondrite was broken and the white CAI was exposed, would it look like glass?  Or would it be milky white?  Or can they vary?
  I have a small CV and I find the CAI’s very interesting (but they are very small) and I’ve also been reading about their formation a little.  They appear to be among the oldest rock or mineral formation known.
   
  If anyone can expand a bit on CAI’s.  That would be very interesting.
   
  Charles – thanks for the photos.
   
  Greg Stanley
  

Charles O'Dale <codale0806 at rogers.com> wrote:
          A CAI in a carbonaceous chondrite?
   
  http://ca.pg.photos.yahoo.com/ph/voltage_contrast/album?.dir=/bd24re2
   
  Comments are welcome!
   
  Charles O'Dale
President
Ottawa RASC
http://www.ottawa.rasc.ca/index.html
http://www.ottawa.rasc.ca/articles/odale_chuck/earth_craters/index.html

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